a spanish-language ad in florida tying obama to latin american dictators g go chavez and fidelv castro. >> we are america's women. >> woodruff: and american future fund, a super pac supporting romney is running ads targeting women in michigan and pennsylvania, states considered safely democratic. as you can see on the "newshour's" vote 2012 map center" there are seven states currently considered by the associated press to be true toss ups: nevada, colorado, iowa, ohio, virginia, florida and new hampshe. it shows each candidate's quickest potential path to 270 electoral votes. including one scenario gimpng president obama a path too victory, winning nevada and ohio, to get to 277 electoral votes. for mitt romney the path could also lead through ohio, and blanketing the south, to get to 281 in a different scenario. and there are also several potentials for a tie. this one shows the president losing nevada but winning ohio, to get to 269 for both candidates. and late today, the "newshour" got word that romney will make a last-minute stop in pennsylvania over the weekend. we explore the ra